body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f2f2f2;
}

h1 {
    text-align: center;
    margin-top: 20px;
}

form {
    max-width: 400px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

label {
    font-weight: bold;
}

input[type="text"],
input[type="password"],
input[type="button"] {
    width: 100%;
    padding: 8px;
    margin: 5px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

input[type="button"] {
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
}

input[type="button"]:hover {
    background-color: #45a049;
}